Term
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Definition
O: Mandible and skin of lower face
I: Fascia of anterior shoulder
N: CN 7
A: Draws skin of neck superiorly; Depression of corners of the mouth |
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Term
| Sternocleidomastoid (SCM) |
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Definition
O: Sternal Head: Manubrium; Clavicular Head: Medial Clavicle
I: Mastoid process and superior nuchal line
N: CN 11 (motor); C2-C4 proprioception
A: Individually: rotation of head to turn face superiorly to opposite side;
Together: flexion of neck to thrust chin forward |
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Term
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Definition
O: Posterior skull; spinous processes of C7 to T12 vertebrae
I: Spine and acromion of the scapula; Lateral clavicle
N: CN 11 (motor); C3-4 proprioception (ventral rami)
A: Elevation of scapula (upper fibers); Depression of scapula (lower fibers); Retraction of scapula (middle fibers); Lateral rotation of scapula (points glenoid cavity up) |
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Term
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Definition
O: Manubrium of sternum
I: Thyroid Cartilage
N: C1-3 via Ansa Cervicalis
A: Depression of larynx |
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Term
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Definition
O: Manubrium of sternum and clavicle
I: Body of hyoid
N: C1-3 via Ansa Cervicalis
A: Depression of hyoid |
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Term
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Definition
O: Thyroid cartilage
I: Greater horn and body of hyoid
N: C1- nerve to thyrohyoid via hypoglossal
A: Depression of hyoid and Elevation of larynx |
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Term
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Definition
O: Superior border of scapula
I: Body of hyoid
N: C1-3 via Ansa Cervicalis
A: Depression and retraction of hyoid |
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Term
| Anterior belly of Digastric |
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Definition
O: Digastric fossa of mandible
I: Body of the hyoid via common tendon
N: CN V3- mylohyoid nerve
A: Depression of mandible and Elevation of hyoid |
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Term
| Posterior belly of Digastric |
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Definition
O: Mastoid notch of temporal bone
I: Body of the hyoid via common tendon
N: CN 7
A: Depression of mandible and Elevation of hyoid |
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Term
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Definition
O: Mylohyoid line on mandible
I: Body of the hyoid
N: CN V3- mylohyoid nerve
A: Support and elevation of floor of mouth; Elevation of hyoid |
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Term
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Definition
O: Mental spine of mandible
I: Body of the hyoid
N: C1- nerve to geniohyoid via hypoglossal
A: Elevation and protraction of the hyoid; Depression of mandible |
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Term
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Definition
O: Styloid process of temporal bone
I: Body of hyoid
N: CN 7
A: Elevation and retraction of the hyoid |
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Term
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Definition
O: C3-7 vertebrae (transverse processes)
I: Rib 1
N: Ventral rami of C4-7
A: Flexion of neck; Elevation of rib cage during inspiration |
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Term
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Definition
O: C3-7 vertebrae (transverse processes)
I: Rib 1
N: Ventral rami of C4-7
A: Flexion of neck; Elevation of rib cage during inspiration |
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Term
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Definition
O: C3-7 vertebrae (transverse processes)
I: Rib 2
N: Ventral rami of C4-7
A: Flexion of neck; Elevation of rib cage during inspiration |
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Term
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Definition
O: Anterior C1-6 vertebrae
I: Anterior C3-T3 vertebrae
N: Ventral rami of C2-6
A: Individual: lateral rotation of head (turns face to opposite side)
Together: flexion of neck |
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Term
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Definition
O: Anterior vertebrae C3-6
I: Occipital bone
N: Ventral rami C1-3
A: Flexion of the head |
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Term
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Definition
O: Atlas
I: Occipital bone
N: Ventral rami C1-2
A: Flexion of head |
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Term
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Definition
O: Atlas
I: Occipital bone
N: Ventral rami C1-2
A: Flexion of head |
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Term
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Definition
O: Ligamentum nuchae; vertebrae C7-T4
I: Mastoid process and superior nuchal line
N: Dorsal rami of cervical nerves
A: Individual: lateral rotation of head (turns face to same side)
Together: extension of the head and neck |
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Term
| Anterior triangle boundaries |
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Definition
Anterior midline of the neck
Lower border of the mandible
Anterior edge of the SCM |
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Term
| Submandibular triangle boundaries and contents |
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Definition
Lower border of mandible
Anterior belly of digastric muscle
Posterior belly of digastric muscle
Contents: submandibular gland, submandibular lymph nodes, hypoglossal nerve, mylohyoid nerve, facial artery and vein |
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Term
| Carotid triangle boundaries and contents |
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Definition
Posterior belly of digastric muscle
Superior belly of omohyoid muscle
Anterior border of SCM
Contents: Common facial vein tributaries; cervical branch facial nerve; common, ext, & int carotid arteries; superior thyroid, ascending pharyngeal, lingual, facial, and occipital arteries; internal jugular v; vagus, accessory, and hypoglossal nerves; superior & inferior roots of ansa cervicalis; transverse cervical N |
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Term
| Muscular triangle boundaries and contents |
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Definition
Midline of neck
Superior belly of omohyoid muscle
Anterior border of SCM
Contents: Sternohyoid, omohyoid, sternothyroid, and thyrohyoid muscles; Thyroid and parathyroid glands |
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Term
| Submental triangle boundaries and contents |
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Definition
Mandibular symphysis
Anterior belly digastric
Body of hyoid
Contents: Submental lymph nodes, tributaries forming ant jugular v |
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Term
| Posterior triangle boundaries |
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Definition
Anterior border of trapezius
Posterior border of SCM
Lateral clavicle |
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Term
| Occipital triangle boundaries and contents |
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Definition
Anterior border trapezius
Posterior border SCM
Inferior belly omohyoid
Contents: Ext Jugular V; Cervical plexus nerves (posterior branches); Accessory Nerve; Brachial plexus trunks; Transverse Cervical A; Cervical Lymph nodes |
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Term
| Supraclavicular Triangle boundaries and contents |
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Definition
Inferior belly omohyoid
Posterior border SCM
Clavicle
Contents: Subclavian A and V; Suprascapular A and suprascapular lymph nodes |
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Term
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Definition
-surrounds entire neck
-splits around SCM and trap
-forms capsules of parotid and submandibular glands
-several bony attachments |
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Term
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Definition
-encloses thyroid, trachea, and esophagus
-starts at level of hyoid
-blends into pericardium in thorax |
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Term
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Definition
-from base of skull to thorax
-applied to pharynx and esophagus
-merges with (or is a part of) pretracheal fascia |
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Term
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Definition
| -surrounds ventral and dorsal deep neck muscles |
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Term
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Definition
| potential space between prevertebral and buccopharyngeal fascias... extends from skull to mediastinum and therefore can spread infection to mediastinum |
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